1.Length&wattage& led q'ty: 4ft 40W 96leds
5ft 48W 240leds
6ft 40W 192leds
8ft 60W 288leds
2.Input Voltage: AC110-277V
3.Power Factor: 0.95
4.Luminous efficiency: 28Lm/ LED
5.Light effect (LM/W): 110lm/W
6.Color Rendering Index: >80Ra
7.Viewing Angle: 270 degree
8.Lifespan: 50,000h
9.Tube Material: aluminium alloy back+PC cover
10.Color Temperature: White: 6000K